Questions & Answers for: Toyota 02 sensor

...1 circuit malfunction...does this mean sensor is bad? or could it be something else? thanks 02 sensor is defective... if the cam sensor did not work it would not run, try replaceing the 02

...02 sensor is still the same you can buy a AFTER MARKET 02 heated 02 sensor and still keep it leagle. Their are other things it will effect like fuel mileage and later on unburnt fuel cause of a non ...

02 sensor monitors and constantly adjusts the fuel to stay within parameters. If the #2 tries to compensate for an inefficient converter and it conflicts with the #1 02, the ebgine will run poorly due

...02 sensor? Some vehicles have up to 4 02 sensors and being the ones that have a seperated duel exhaust system. You will have an 02 sensor located upstream of the catalytic converter and one down ...

p0141 code, bank 1 sensor #2 on '02 Highlander location of O2 sensors on a '02 Highlander, there are about 4 that I can see, which one is #1, #2 and so on? it says sensors 2 in the code library

...02 sensor code can also indicate bad cat. converter. If 02 sensors read exact same reading before and after converter they will trigger OBC to "sensor fault" - they should be reading 2 different ...

...2 is the 02 sensor that monitor thhe catalytic convertor more than likey when you get a code heater circuit its a failed 02 sensor itself so a replacement is to replace the 02 sensor on the second ...

...sensor
Also what I do to cat.converter is when the 02 sensor is out before the
Converter. Pull sensor out and start engine see how much air comes0
Out a lot of air means converter is ...

...02 sensor on my own, or will it reset itself when I replace the 02 sensor If the problem was due to sensor it should reset itself after driving, or you can disconnect battery to reset computer ...

...02 oxygen sensor in bank 1 Replaced gas cap, cleaned maf sensor, replaced 02 oxygen sensor in bank 1, and put additive in fuel. Light still comes on. code p 0171 refers to system too lean bank ...